Classification of Computers
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Questions and Answers

What is the classification of computer based on?

System performance, which affects physical size and cost

Which of the following are categories of computers from big to small?

  • Personal computer
  • Mini computer (correct)
  • Supercomputer (correct)
  • Microcomputer (correct)
  • Mainframe (correct)

    • What are supercomputers used for?

    Number crunching, scientific simulations, and scientific research

    What are 'Monsters' in computing?

    <p>Custom built supercomputers that require a special technical team to maintain</p> Signup and view all the answers

    What is a mainframe?

    <p>A very large and powerful computer used in larger organizations</p> Signup and view all the answers

    Why have minicomputers become rarely used today?

    <p>They are outdated despite being popular in the 1960s</p> Signup and view all the answers

    What is a terminal?

    <p>A device that allows multiple users to share access to minicomputers</p> Signup and view all the answers

    What defines a microcomputer?

    <p>A personal computer designed for use by one person at a time</p> Signup and view all the answers

    What are the types of PCs classified based on size?

    <p>Tablet</p> Signup and view all the answers

    What is a desktop computer?

    <p>A personal computer designed for regular use at a single location</p> Signup and view all the answers

    What is a motherboard?

    <p>A printed circuit board with a microprocessor as the CPU and other components</p> Signup and view all the answers

    What does disk storage refer to?

    <p>One or more hard disk drives, optical disc drives, and early models of floppy disk drives</p> Signup and view all the answers

    What defines a laptop computer?

    <p>A portable computer with a flat display screen, weighing about 1 to 4 kilograms</p> Signup and view all the answers

    What is a notebook computer?

    <p>A portable computer that weighs 2 to 4 kilograms and is roughly the size of a thick notebook</p> Signup and view all the answers

    Study Notes

    Classification of Computers

    • Classification is based on system performance, which influences physical size and cost.

    Categories of Computers

    • Classification ranges from supercomputers (largest and most powerful) to microcomputers (personal computers).
    • Categories include: Supercomputers, Mainframes, Minicomputers, Microcomputers (PCs).

    Supercomputers

    • Examples include Cray T3E-900 and GRAPE-4, recognized as the largest and fastest computers.
    • Primarily used for scientific simulations, research in energy, space exploration, medicine, and industry.
    • Considered the most expensive computers, often costing millions of dollars.
    • Frequently found in organizations like NASA.

    Monsters

    • "Monsters" refers to custom-built supercomputers that require specialized technical teams for maintenance.

    Mainframe Computers

    • Very large, powerful, and expensive, serving as tailored systems for larger organizations.
    • Offers faster processing speeds and greater storage than minicomputers, supporting over a hundred users simultaneously.
    • Commonly utilized in banks, insurance companies, and corporations.

    Minicomputers

    • Became outdated, popular in the 1960s with capabilities between PCs and mainframes.
    • Used primarily in small manufacturing plants and research labs.
    • Allowed multiple users to share processing needs through terminals, with systems mass-produced in factories.

    Terminals

    • Terminals in minicomputers enable shared access to hardware by users.
    • Typically consist of a keyboard, display screen, and connection wire to the computer system.

    Microcomputers (Personal Computers)

    • Also known as PCs, designed for individual use, available in various designs and forms.
    • Include components such as a system unit, keyboard, mouse, and display screen, executing multiple tasks.
    • Mass-produced with options for customization in software and hardware.

    Types of PCs

    • PCs classified based on size and cost include:
      • Desktop
      • Notebook
      • Laptop
      • Netbook
      • Tablet
      • Palmtop

    Desktop Computers

    • Designed for regular use at a designated location, typically near a desk.
    • Common configuration includes power supply case housing motherboard, CPU, storage, keyboard, mouse, monitor, and speakers.

    Motherboard

    • A printed circuit board containing the CPU, memory, bus, and other essential electronic components.

    Disk Storage

    • Typically comprises hard disk drives, optical disc drives, and older models may include floppy disk drives.

    Laptop Computers

    • Portable computers with a flat display screen, weighing between 1 to 4 kilograms.
    • Include notable types such as notebooks and sub-notebooks.

    Notebook Computers

    • A portable type of laptop weighing 2 to 4 kilograms with a size comparable to a thick notebook.
    • Features a large color screen and keyboard, with touch-sensitive pads serving as mice.
    • Easily transportable, utilizing electric outlets or rechargeable batteries, and can offer similar power to desktops but typically at higher costs.

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    Description

    This quiz explores the various classifications of computers, from supercomputers to microcomputers. Learn about their characteristics, uses, and significant examples in different categories of computing technology.

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